New York Democrat Charles Rangel told his fellow lawmakers Tuesday in a rambling and defiant floor speech that he's not resigning, despite 13 charges of ethical wrongdoing.

"I am not going away," the former Ways and Means Committee chairman declared in a combative tone. "If I can't get my dignity back here, then fire your best shot in getting rid of me through expulsion."

Rangel, who is 80, spoke without notes in an extraordinary, often emotional 37-minute speech that defied his lawyers' advice to keep quiet about his case...